Home / 486,047,972.88-670,747,896.18-263,029,598.64

Finding the Fourth Proportional to 486,047,972.88, 670,747,896.18 and 263,029,598.64

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Solution

The fourth proportional to 486,047,972.88, 670,747,896.18 and 263,029,598.64 is: 362,981,762.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,047,972.88 : 670,747,896.18 = 263,029,598.64 : x
  2. Step 2: Convert to fraction form
    486,047,972.88/670,747,896.18 = 263,029,598.64/x
  3. Step 3: Cross multiply
    486,047,972.88x = 670,747,896.18 × 263,029,598.64
  4. Step 4: Simplify right side
    486,047,972.88x = 176,426,549,920,849,760
  5. Step 5: Solve for x
    x = 176,426,549,920,849,760/486,047,972.88
  6. Step 6: Final answer
    x = 362,981,762.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.